All European Union member states fund the EU. We call it (informally) the EU membership fee.

In return, the EU gives money to the member states. Some countries (net recipients) receive more than they pay, some countries (net contributors) receive less. Finland and Denmark are both net contributors.

In the most recent negotiations for the EU budget, Denmark got a membership fee discount (maksupalautus). The discount means that Denmark's net contribution (fee minus support) will be at the same level as Finland's. ("Tanska sai maksupalautuksella palautettua maksunsa meidän kanssa samaan kategoriaan.") The Finnish government apparently (I can't find a citation) said in these negotiations, on a Friday ("EU:n perjantaisessa budjettikeskustelussa"), that Finland's net contribution won't be too big if it's similar to Denmark's.

Sipilä, representing the Finnish opposition, says that Finland's net contribution can't be compared to Denmark's. Finland's net contribution should be smaller than Denmark's, because the support Finland gets was originally supposed to include compensation for the fact that some areas in Finland are more sparsely populated and have worse climate than Denmark. ("Alun perin oli tarkoitus kompensoida nimenomaan harvaa asutusta ja maatalouden olosuhteita.")